menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Find (H*F) (x) if h(x)=5-x and f(x)=3x+2 Please explain
asked
Nov 1, 2017
88.9k
views
3
votes
Find (H*F) (x)
if h(x)=5-x and f(x)=3x+2
Please explain
Mathematics
high-school
Jeff Potts
asked
by
Jeff Potts
7.8k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
4
votes
h(x) = 5 - x
Domain: Df =
R
f(x) = 3x + 2
Domain: Df =
R
Dh = Df therefore (h·f)(x) = h(x) · f(x)
(h·f)(x) = (5 - x)(3x + 2) = 5(3x + 2) - x(3x + 2) = 5·3x + 5·2 - x·3x - x·2
= 15x + 10 - 3x² - 2x =
-3x² + 13x + 10
Aschultz
answered
Nov 6, 2017
by
Aschultz
8.7k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
No related questions found
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
Other Questions
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org